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1141438290 = 235311227353
BaseRepresentation
bin100010000001000…
…1111011101010010
32221112211001222020
41010002033131102
54314202011130
6305132552310
740200031266
oct10402173522
92845731866
101141438290
11536348533
1227a322696
1315262c095
14ab8480a6
156a31de10
hex4408f752

1141438290 has 32 divisors (see below), whose sum is σ = 2827823616. Its totient is φ = 294564480.

The previous prime is 1141438267. The next prime is 1141438297. The reversal of 1141438290 is 928341411.

It is a happy number.

It is a super-3 number, since 3×11414382903 (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1141438297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612747 + ... + 614606.

It is an arithmetic number, because the mean of its divisors is an integer number (88369488).

Almost surely, 21141438290 is an apocalyptic number.

1141438290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1141438290 is an abundant number, since it is smaller than the sum of its proper divisors (1686385326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1141438290 is a wasteful number, since it uses less digits than its factorization.

1141438290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1227394.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1141438290 is about 33785.1785551002. The cubic root of 1141438290 is about 1045.0830699438.

The spelling of 1141438290 in words is "one billion, one hundred forty-one million, four hundred thirty-eight thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 155 186 310 465 930 1227353 2454706 3682059 6136765 7364118 12273530 18410295 36820590 38047943 76095886 114143829 190239715 228287658 380479430 570719145 1141438290